CA3234384A1 - Procede de production de fer reduit - Google Patents

Procede de production de fer reduit Download PDF

Info

Publication number
CA3234384A1
CA3234384A1 CA3234384A CA3234384A CA3234384A1 CA 3234384 A1 CA3234384 A1 CA 3234384A1 CA 3234384 A CA3234384 A CA 3234384A CA 3234384 A CA3234384 A CA 3234384A CA 3234384 A1 CA3234384 A1 CA 3234384A1
Authority
CA
Canada
Prior art keywords
gas
cooling
direct reduction
separated
iron
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CA3234384A
Other languages
English (en)
Inventor
Moritoshi Mizutani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of CA3234384A1 publication Critical patent/CA3234384A1/fr
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0073—Selection or treatment of the reducing gases
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0033—In fluidised bed furnaces or apparatus containing a dispersion of the material
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • C21B13/029—Introducing coolant gas in the shaft furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/20—Arrangements for treatment or cleaning of waste gases
    • F27D17/22—Arrangements for treatment or cleaning of waste gases for removing solid constituents
    • F27D17/25—Arrangements for treatment or cleaning of waste gases for removing solid constituents using cyclones
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/20—Arrangements for treatment or cleaning of waste gases
    • F27D17/28—Arrangements for treatment or cleaning of waste gases for cooling waste gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/30—Arrangements for extraction or collection of waste gases; Hoods therefor
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
    • C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/66—Heat exchange
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

Ce procédé de production de fer réduit comprend : une étape de réduction consistant à générer du fer réduit par réduction d'une matière première, qui est de l'oxyde de fer, avec un gaz de réduction qui comprend de l'hydrogène ; une étape de déshydratation consistant à éliminer l'eau du gaz d'échappement de l'étape de réduction pour séparer l'hydrogène du gaz d'échappement ; une étape de refroidissement consistant à carboniser le fer réduit tout en refroidissant le fer réduit avec un gaz de refroidissement qui contient du carbone en tant qu'élément ; et une étape de séparation consistant à séparer l'hydrogène et le méthane du gaz d'échappement de l'étape de refroidissement. Le gaz de refroidissement est du méthane. Le gaz de réduction comprend en outre l'hydrogène séparé à l'étape de déshydratation et l'hydrogène séparé à l'étape de séparation. Le gaz de refroidissement comprend en outre le méthane séparé à l'étape de séparation.
CA3234384A 2021-10-14 2022-10-14 Procede de production de fer reduit Pending CA3234384A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021168721 2021-10-14
JP2021-168721 2021-10-14
PCT/JP2022/038301 WO2023063404A1 (fr) 2021-10-14 2022-10-14 Procédé de production de fer réduit

Publications (1)

Publication Number Publication Date
CA3234384A1 true CA3234384A1 (fr) 2023-04-20

Family

ID=85988323

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3234384A Pending CA3234384A1 (fr) 2021-10-14 2022-10-14 Procede de production de fer reduit

Country Status (10)

Country Link
US (1) US20240410027A1 (fr)
EP (1) EP4417711A4 (fr)
JP (2) JP7598064B2 (fr)
KR (1) KR20240064681A (fr)
CN (1) CN118202071A (fr)
AU (1) AU2022368159A1 (fr)
CA (1) CA3234384A1 (fr)
MX (1) MX2024004385A (fr)
TW (1) TWI861574B (fr)
WO (1) WO2023063404A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026009495A1 (fr) * 2024-07-05 2026-01-08 日本製鉄株式会社 Procédé de production de carbure de fer

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4160663A (en) * 1978-02-21 1979-07-10 Jack Hsieh Method for the direct reduction of iron ore
JPS55125212A (en) * 1979-03-20 1980-09-26 Nippon Steel Corp Method and apparatus for reducing iron oxide
US4261734A (en) * 1979-09-04 1981-04-14 Hylsa, S.A. Method of making sponge iron
JPS59123708A (ja) * 1982-12-27 1984-07-17 Sumitomo Metal Ind Ltd シヤフト炉による還元鉄製造法
US4897113A (en) * 1985-09-23 1990-01-30 Hylsa, S.A. Direct reduction process in reactor with hot discharge
JPH05222423A (ja) 1992-02-14 1993-08-31 Nippon Steel Corp セメンタイト製造法
JPH08120314A (ja) 1994-10-20 1996-05-14 Cvg Siderurgica Del Orinoco Ca 炭化鉄の製造方法
US6063155A (en) 1998-04-06 2000-05-16 Orinoco Iron, C.A. Fluidized bed process for the production of iron carbide
CN1995402B (zh) * 2006-01-06 2011-11-16 伊尔技术有限公司 利用焦炉气等将氧化铁直接还原成金属铁的方法
EP2459755B1 (fr) * 2009-07-31 2014-09-03 HYL Technologies, S.A. de C.V. Procédé de production de fer préréduit aux émissions limitées de co2 et dispositif associé
JP5549227B2 (ja) 2010-01-07 2014-07-16 新日鐵住金株式会社 予備還元焼結鉱の製造方法およびこれを利用した高炉操業方法
US10316376B2 (en) * 2015-06-24 2019-06-11 Midrex Technologies, Inc. Methods and systems for increasing the carbon content of sponge iron in a reduction furnace
EP3397780B1 (fr) * 2015-12-28 2020-04-08 HYL Technologies, S.A. de C.V. Procédé et système destiné à la production de frd à haute teneur en carbone à l'aide de gaz de synthèse
CN207031476U (zh) * 2017-06-14 2018-02-23 神雾科技集团股份有限公司 直接还原铁、建材、煤气化多联产的系统
CN207877767U (zh) * 2017-12-22 2018-09-18 江苏省冶金设计院有限公司 一种还原并冷却金属化球团的系统
CN110562913B (zh) * 2019-09-30 2020-06-23 内蒙古大学 一种利用甲烷和水为原料生产氢气的方法
JP2021168721A (ja) 2020-04-13 2021-10-28 株式会社サンセイアールアンドディ 遊技機

Also Published As

Publication number Publication date
TWI861574B (zh) 2024-11-11
JP2024164270A (ja) 2024-11-26
EP4417711A4 (fr) 2024-12-18
AU2022368159A1 (en) 2024-05-02
JP7737049B2 (ja) 2025-09-10
JP7598064B2 (ja) 2024-12-11
EP4417711A1 (fr) 2024-08-21
MX2024004385A (es) 2024-04-29
JPWO2023063404A1 (fr) 2023-04-20
TW202325858A (zh) 2023-07-01
US20240410027A1 (en) 2024-12-12
KR20240064681A (ko) 2024-05-13
CN118202071A (zh) 2024-06-14
WO2023063404A1 (fr) 2023-04-20

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